HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPupfishesYucatan pupfish Yucatan pupfish (Cyprinodon artifrons) Scientific name: Cyprinodon artifrons Hubbs, 1936 The Yucatan pupfish (Cyprinodon artifrons) is a freshwater fish of the family Cyprinodontidae. Native range: Central America, Mexico to Belize. BiologyNot a seasonal killifish. Is easy to maintain in the aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCyprinodon artifronsFamilyCyprinodontidae (Pupfishes)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; freshwater; brackish; benthopelagicClimateTropicalDistributionCentral America: Mexico to Belize.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026